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    3HC 1.01 48V

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    Duet Hardware and wiring
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    • HighFrequndefined
      HighFreq
      last edited by HighFreq

      We have a 3HC V1.01, we bought it thinking that it could have been used at 48V but we realised the release 1.01 we have can't go higher that 32V. Is there a way to use it at 48V maybe changing a component or it is just impossible?

      jay_s_ukundefined 2 Replies Last reply Reply Quote 0
      • jay_s_ukundefined
        jay_s_uk @HighFreq
        last edited by

        @highfreq i would suspect its the same as the changes required to a 6HC
        https://forum.duet3d.com/topic/14441/higher-input-voltages-for-steppers

        Owns various duet boards and is the main wiki maintainer for the Teamgloomy LPC/STM32 port of RRF. Assume I'm running whatever the latest beta/stable build is

        1 Reply Last reply Reply Quote 0
        • jay_s_ukundefined
          jay_s_uk @HighFreq
          last edited by

          @highfreq there is also the possibility of using an STM32H7 board in expansion mode and using 48v with that for motor control.
          The SKR3 EZ and Fly-Super8Pro both support 48v input natively and the SKR3 can be used with external 5160 SPI drivers that support 48v (e.g. the Fly-5160-HV Pro's).
          Otherwise if you want to stick to Duet3D hardware, you would have to go with a 1HCL

          Owns various duet boards and is the main wiki maintainer for the Teamgloomy LPC/STM32 port of RRF. Assume I'm running whatever the latest beta/stable build is

          HighFrequndefined 1 Reply Last reply Reply Quote 0
          • HighFrequndefined
            HighFreq @jay_s_uk
            last edited by HighFreq

            @jay_s_uk Thanks we prefer sticking with Duet hardware, i was thinking about 1HCL but we would like to have more i/o like the 3HC. Since 3HC has a 48V version now maybe we can change just few components to make it work.

            jay_s_ukundefined 1 Reply Last reply Reply Quote 0
            • jay_s_ukundefined
              jay_s_uk @HighFreq
              last edited by

              @highfreq I didn't realise the 3HC had gone 48v.
              Maybe check the schematics to see whats changed?

              Owns various duet boards and is the main wiki maintainer for the Teamgloomy LPC/STM32 port of RRF. Assume I'm running whatever the latest beta/stable build is

              HighFrequndefined 1 Reply Last reply Reply Quote 0
              • HighFrequndefined
                HighFreq @jay_s_uk
                last edited by HighFreq

                @jay_s_uk I am a software guy, not really good when it comes to hardware but if someone tell me what to do i have decent soldering skills and tools.

                On the official documentation it says:

                Input power voltage Version 1.01 and earlier: 12V to 32V, version 1.02: 12V to 48V

                T3P3Tonyundefined 1 Reply Last reply Reply Quote 0
                • T3P3Tonyundefined
                  T3P3Tony administrators @HighFreq
                  last edited by

                  @highfreq the changes cannot be retrofitted to a v1.01 3HC unfortunately.

                  www.duet3d.com

                  HighFrequndefined 1 Reply Last reply Reply Quote 1
                  • HighFrequndefined
                    HighFreq @T3P3Tony
                    last edited by

                    @t3p3tony Ok, thank you anyway.

                    1 Reply Last reply Reply Quote 0
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